Java.io.StringReader.reset() Method

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Description

The java.io.StringReader.reset() method resets the stream to the most recent mark, or to the beginning of the string if it has never been marked.

Declaration

Following is the declaration for java.io.StringReader.reset() method.

public void reset()

Parameters

NA

Return Value

This method does not return a value.

Exception

IOException − If an I/O error occurs.

Example

The following example shows the usage of java.io.StringReader.ready() method.

package com.tutorialspoint;

import java.io.*;

public class StringReaderDemo {
   public static void main(String[] args) {
      String s = "Hello World";

      // create a new StringReader
      StringReader sr = new StringReader(s);

      try {
         // read the first five chars
         for (int i = 0; i < 5; i++) {
            char c = (char) sr.read();
            System.out.print("" + c);
         }

         // mark the reader at position 5 for maximum 6
         sr.mark(6);

         // read the next six chars
         for (int i = 0; i < 6; i++) {
            char c = (char) sr.read();
            System.out.print("" + c);
         }

         // reset back to marked position
         sr.reset();

         // read again the next six chars
         for (int i = 0; i < 6; i++) {
            char c = (char) sr.read();
            System.out.print("" + c);
         }

         // close the stream
         sr.close();

      } catch (IOException ex) {
         ex.printStackTrace();
      }
   }
}

Let us compile and run the above program, this will produce the following result −

Hello World World